good quality, 1girl, backpack, black eyes, black thighhighs, blue skirt, brown hair, by avogado6, gatling gun, hair bow, hairclip, holding gun, legs apart, open mouth, pleated skirt, red bow, red neckerchief, sailor collar, serafuku, short hair, short sleeves, simple background, solo, two side up, white background, white pupils, white shirt, zettai ryouiki